[GA] Bump native macOS runner versions

macOS 11 will be removed from GA on June, 28 2024. Pre-emptively bump
the os runner versions we use.

.github/workflows/build-and-test.yml

@@ -88,15 +88,15 @@ jobs:
             cxx: g++
 
           - name: macOS
-            os: macos-11
+            os: macos-12
             packages: llvm@12 [email protected] autoconf automake berkeley-db@4 libtool [email protected] miniupnpc libnatpmp pkg-config libevent qrencode gmp libsodium rust
             no_qt: true
             boost_root: true
             cc: $(brew --prefix llvm@12)/bin/clang
             cxx: $(brew --prefix llvm@12)/bin/clang++
 
           - name: macOS-latest
-            os: macos-latest
+            os: macos-14
             packages: llvm@13 [email protected] autoconf automake berkeley-db@4 libtool [email protected] miniupnpc libnatpmp pkg-config qt@5 zmq libevent qrencode gmp libsodium rust
             boost_root: true
             cc: $(brew --prefix llvm@13)/bin/clang
@@ -115,11 +115,6 @@ jobs:
           fi
           if [[ ${{ matrix.config.os }} = macos* ]]; then
             brew install "$APT_BASE" ${{ matrix.config.packages }}
-            # GA's macOS 11 image is inconsistent as to if it includes a pre-installed version of boost. Force linking
-            # to the specified version (1.76), which will overwrite the symlinks to a pre-existing version if it exists.
-            if [ "${{ matrix.config.os }}" = "macos-11" ]; then
-              brew link --overwrite -f [email protected]
-            fi
           fi
 
       - name: ccache cache files
@@ -188,7 +183,7 @@ jobs:
 
           - name: x64-macOS
             id: macOS-nodepends
-            os: macos-11
+            os: macos-12
             brew_install: autoconf automake ccache berkeley-db@4 libtool [email protected] miniupnpc libnatpmp pkg-config [email protected] libevent qrencode gmp libsodium rust librsvg
             unit_tests: true
             functional_tests: true
@@ -198,7 +193,7 @@ jobs:
 
           - name: x64-macOS-latest
             id: macOS-nodepends-latest
-            os: macos-latest
+            os: macos-14
             brew_install: autoconf automake ccache berkeley-db@4 libtool [email protected] miniupnpc libnatpmp pkg-config [email protected] qt@5 zmq libevent qrencode gmp libsodium rust librsvg
             unit_tests: true
             functional_tests: true