Updated CI to add macOS 15.

.github/workflows/ci.yml

@@ -237,7 +237,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-12, macos-13, macos-14]
+        os: [macos-12, macos-13, macos-14, macos-15]
       fail-fast: false
     steps:
     - uses: actions/checkout@v4
@@ -276,7 +276,7 @@ jobs:
         done
         cd obj
         echo -e '## Warnings\n```' >> $GITHUB_STEP_SUMMARY
-        grep 'warning:' build.log | sed 's/\x1B\[\([0-9]\+\(;[0-9]\+\)*\)\?[mK]//g' | awk '{ print $NF }' | sort | uniq -c | sort -nr >> $GITHUB_STEP_SUMMARY
+        grep 'warning:' build.log | sed 's/\x1B\[\([0-9]\+\(;[0-9]\+\)*\)\?[mK]//g' | grep -v '^ld:' | awk '{ print $NF }' | sort | uniq -c | sort -nr >> $GITHUB_STEP_SUMMARY
         echo '```' >> $GITHUB_STEP_SUMMARY
         for s in tt t s m l; do time ./Mlucas -s $s -cpu "0:$(( $(sysctl -n hw.ncpu) - 1 ))" 2>&1 | tee -a test.log; done
         if (( $(sysctl -n hw.optional.AdvSIMD) )); then
@@ -333,7 +333,7 @@ jobs:
   ASan-macOS:
     name: AddressSanitizer macOS
 
-    runs-on: macos-14
+    runs-on: macos-latest
     steps:
     - uses: actions/checkout@v4
     - name: Install
@@ -359,7 +359,7 @@ jobs:
     name: ThreadSanitizer macOS
     if: false # Too slow
 
-    runs-on: macos-14
+    runs-on: macos-latest
     steps:
     - uses: actions/checkout@v4
     - name: Install