Update scala-library to 2.12.18 (#546)

* Update scala-library to 2.12.18

* Regenerate GitHub Actions workflow

Executed command: sbt githubWorkflowGenerate

---------

Co-authored-by: typelevel-steward[bot] <106827141+typelevel-steward[bot]@users.noreply.github.com>
Co-authored-by: P. Oscar Boykin <johnynek@users.noreply.github.com>

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.10, 2.12.17, 3.3.0]
+        scala: [2.13.10, 2.12.18, 3.3.0]
         java: [temurin@8]
         project: [rootJS, rootJVM, rootNative]
     runs-on: ${{ matrix.os }}
@@ -181,32 +181,32 @@ jobs:
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.12.17, rootJS)
+      - name: Download target directories (2.12.18, rootJS)
         uses: actions/download-artifact@v3
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootJS
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.18-rootJS
 
-      - name: Inflate target directories (2.12.17, rootJS)
+      - name: Inflate target directories (2.12.18, rootJS)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.12.17, rootJVM)
+      - name: Download target directories (2.12.18, rootJVM)
         uses: actions/download-artifact@v3
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootJVM
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.18-rootJVM
 
-      - name: Inflate target directories (2.12.17, rootJVM)
+      - name: Inflate target directories (2.12.18, rootJVM)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.12.17, rootNative)
+      - name: Download target directories (2.12.18, rootNative)
         uses: actions/download-artifact@v3
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootNative
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.18-rootNative
 
-      - name: Inflate target directories (2.12.17, rootNative)
+      - name: Inflate target directories (2.12.18, rootNative)
         run: |
           tar xf targets.tar
           rm targets.tar

build.sbt

@@ -1,4 +1,4 @@
-val Scala212 = "2.12.17"
+val Scala212 = "2.12.18"
 val Scala213 = "2.13.10"
 val Scala3Version = "3.3.0"