chore: update new issue template

[dpebot]

This PR was generated using Autosynth. 🌈

Here's the log from Synthtool:

synthtool > Cloning googleapis.
synthtool > Running generator for google/bigtable/artman_bigtable.yaml.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/js/bigtable-v2.
.circleci/config.yml
.circleci/npm-install-retry.js
.eslintignore
.eslintrc.yml
.github/CONTRIBUTING.md
.github/ISSUE_TEMPLATE.md
.github/PULL_REQUEST_TEMPLATE.md
.github/bug_report.md
.github/feature_request.md
.github/support_request.md
.jsdoc.js
.kokoro/common.cfg
.kokoro/continuous/node10/common.cfg
.kokoro/continuous/node10/test.cfg
.kokoro/continuous/node6/common.cfg
.kokoro/continuous/node6/test.cfg
.kokoro/continuous/node8/common.cfg
.kokoro/continuous/node8/docs.cfg
.kokoro/continuous/node8/lint.cfg
.kokoro/continuous/node8/samples-test.cfg
.kokoro/continuous/node8/system-test.cfg
.kokoro/continuous/node8/test.cfg
.kokoro/docs.sh
.kokoro/lint.sh
.kokoro/presubmit/node10/common.cfg
.kokoro/presubmit/node10/test.cfg
.kokoro/presubmit/node6/common.cfg
.kokoro/presubmit/node6/test.cfg
.kokoro/presubmit/node8/common.cfg
.kokoro/presubmit/node8/docs.cfg
.kokoro/presubmit/node8/lint.cfg
.kokoro/presubmit/node8/samples-test.cfg
.kokoro/presubmit/node8/system-test.cfg
.kokoro/presubmit/node8/test.cfg
.kokoro/presubmit/windows/common.cfg
.kokoro/presubmit/windows/test.cfg
.kokoro/samples-test.sh
.kokoro/system-test.sh
.kokoro/test.bat
.kokoro/test.sh
.kokoro/trampoline.sh
.nycrc
CODE_OF_CONDUCT.md
codecov.yaml
npm WARN deprecated text-encoding@0.6.4: no longer maintained

> grpc@1.15.1 install /tmpfs/src/git/autosynth/working_repo/node_modules/grpc
> node-pre-gyp install --fallback-to-build --library=static_library

node-pre-gyp WARN Using request for node-pre-gyp https download 
[grpc] Success: "/tmpfs/src/git/autosynth/working_repo/node_modules/grpc/src/node/extension_binary/node-v57-linux-x64-glibc/grpc_node.node" is installed via remote

> protobufjs@6.8.8 postinstall /tmpfs/src/git/autosynth/working_repo/node_modules/protobufjs
> node scripts/postinstall

npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

added 1487 packages from 1321 contributors and audited 8735 packages in 23.877s
found 0 vulnerabilities


> @google-cloud/bigtable@0.16.0 prettier /tmpfs/src/git/autosynth/working_repo
> prettier --write src/*.js src/*/*.js samples/*.js samples/*/*.js test/*.js test/*/*.js system-test/*.js system-test/*/*.js

src/app-profile.js 117ms
src/chunktransformer.js 81ms
src/cluster.js 37ms
src/family.js 47ms
src/filter.js 52ms
src/index.js 77ms
src/instance.js 77ms
src/mutation.js 29ms
src/row.js 40ms
src/table.js 128ms
src/v2/bigtable_client.js 46ms
src/v2/bigtable_instance_admin_client.js 88ms
src/v2/bigtable_table_admin_client.js 79ms
src/v2/index.js 4ms
samples/instances.js 25ms
samples/quickstart.js 11ms
samples/tableadmin.js 45ms
samples/document-snippets/instance.js 54ms
samples/document-snippets/row.js 46ms
samples/document-snippets/table.js 44ms
samples/hello-world/index.js 26ms
samples/hello-world/index.v6.js 10ms
samples/system-test/instances.test.js 10ms
test/app-profile.js 70ms
test/chunktransformer.js 111ms
test/cluster.js 62ms
test/family.js 63ms
test/filter.js 51ms
test/gapic-v2-admin.js 211ms
test/gapic-v2.js 41ms
test/index.js 87ms
test/instance.js 116ms
test/mutation.js 31ms
test/row.js 81ms
test/table.js 178ms
system-test/bigtable.js 129ms
system-test/mutate-rows.js 15ms
system-test/read-rows-acceptance-tests.js 12ms
system-test/read-rows.js 18ms
synthtool > Cleaned up 2 temporary directories.

[codecov]

Codecov Report

Merging #332 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #332   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          10     10           
  Lines        1287   1287           
=====================================
  Hits         1287   1287

Impacted Files	Coverage Δ
src/filter.js	100% <0%> (ø)	⬆️

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