chore(ci): pin version of cssstyle to allow upgrade-main to succeed

.projenrc.ts

@@ -100,6 +100,8 @@ project.addDevDeps(
   "@typescript-eslint/eslint-plugin@^6",
   "@typescript-eslint/parser@^6"
 );
+// This is a temporary workaround to allow upgrade-main to succeed until we upgrade to Node 20
+project.package.addPackageResolutions(`cssstyle@4.1.0`);
 
 project.addFields({ publishConfig: { access: "public" } });
 

projenrc/upgrade-node.ts

@@ -107,6 +107,9 @@ export class UpgradeNode {
                 "This PR increases the minimum supported Node.js version",
                 "to `${{ steps.latest_version.outputs.value }}` from `${{ steps.current_version.outputs.value }}`",
                 "because version ${{ steps.current_version.outputs.short }} is less than 30 days away from EOL.",
+                "\n\nWhile this PR could be merged as-is, it is recommended that you scan the code (especially `.projenrc.ts`)",
+                "to see if there are any comments indicating changes that can/should be made when upgrading Node, such as:",
+                "\n```// The following line can be removed when upgrading to Node ${{ steps.latest_version.outputs.short }}```",
               ].join(" "),
               labels: "automerge,automated,security",
               token: "${{ secrets.PROJEN_GITHUB_TOKEN }}",

src/index.ts

@@ -318,6 +318,8 @@ export class CdktfProviderProject extends cdk.JsiiProject {
       "@action-validator/core",
       "@action-validator/cli"
     );
+    // This is a temporary workaround to allow upgrade-main to succeed until we upgrade to Node 20
+    this.package.addPackageResolutions(`cssstyle@4.1.0`);
 
     // Default memory is 7GB: https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources
     // Custom Runners we use have 32GB of memory