SL-18837: Segregate ReleaseOS artifacts; don't even upload.

Eliminate references to (no longer set) matrix.addrsize.

.github/workflows/build.yaml

@@ -86,10 +86,10 @@ jobs:
         id: cache-installables
         with:
           path: .autobuild-installables
-          key: ${{ runner.os }}-${{ matrix.addrsize }}-${{ matrix.configuration }}-${{ hashFiles('autobuild.xml') }}
+          key: ${{ runner.os }}-64-${{ matrix.configuration }}-${{ hashFiles('autobuild.xml') }}
           restore-keys: |
-            ${{ runner.os }}-${{ matrix.addrsize }}-${{ matrix.configuration }}-
-            ${{ runner.os }}-${{ matrix.addrsize }}-
+            ${{ runner.os }}-64-${{ matrix.configuration }}-
+            ${{ runner.os }}-64-
 
       - name: Install windows dependencies
         if: runner.os == 'Windows'
@@ -205,9 +205,14 @@ jobs:
           # platform, we must disambiguate on more than the platform name.
           # e.g. if we were still running Windows 32-bit builds, we'd need to
           # qualify the artifact with bit width.
-          echo "artifact=$RUNNER_OS" >> $GITHUB_OUTPUT
+          if [[ "$AUTOBUILD_CONFIGURATION" == "ReleaseOS" ]]
+          then cfg_suffix='OS'
+          else cfg_suffix=''
+          fi
+          echo "artifact=$RUNNER_OS$cfg_suffix" >> $GITHUB_OUTPUT
 
       - name: Upload installer
+        if: matrix.configuration != "ReleaseOS"
         uses: actions/upload-artifact@v3
         with:
           name: "${{ steps.build.outputs.artifact }}-installer"
@@ -216,7 +221,7 @@ jobs:
             ${{ steps.build.outputs.installer }}
 
       - name: Upload executable
-        if: steps.build.outputs.viewer_exe
+        if: matrix.configuration != "ReleaseOS" && steps.build.outputs.viewer_exe
         uses: actions/upload-artifact@v3
         with:
           name: "${{ steps.build.outputs.artifact }}-exe"
@@ -225,6 +230,7 @@ jobs:
       # The other upload of nontrivial size is the symbol file. Use a distinct
       # artifact for that too.
       - name: Upload symbol file
+        if: matrix.configuration != "ReleaseOS"
         uses: actions/upload-artifact@v3
         with:
           name: "${{ steps.build.outputs.artifact }}-symbols"
@@ -232,6 +238,7 @@ jobs:
             ${{ steps.build.outputs.symbolfile }}
 
       - name: Upload metadata
+        if: matrix.configuration != "ReleaseOS"
         uses: actions/upload-artifact@v3
         with:
           # Call this artifact just "Windows" or "macOS" because it's the only
@@ -248,7 +255,7 @@ jobs:
       - name: Upload physics package
         uses: actions/upload-artifact@v3
         # should only be set for viewer-private
-        if: steps.build.outputs.physicstpv
+        if: matrix.configuration != "ReleaseOS" && steps.build.outputs.physicstpv
         with:
           name: "${{ steps.build.outputs.artifact }}-physics"
           # emitted by build.sh, zero or one lines