Bump GHA Ubuntu workflow runners to Ubuntu 26.04

Author: IsaacG

.github/workflows/ci.yml

@@ -11,10 +11,10 @@ on:
 jobs:
   linux-min:
     name: Linux Min Config
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-26.04
     strategy:
       matrix:
-        compiler: [clang++-15, g++-12]
+        compiler: [clang++-20, g++-15]
     steps:
     - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
     - name: Install Dependencies
@@ -32,7 +32,7 @@ jobs:
   linux-latest:
     name: Linux Latest Config
     needs: [linux-min]
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     strategy:
       matrix:
         compiler: [clang++, g++]

.github/workflows/pre-commit.yml

@@ -11,7 +11,7 @@ on:
 jobs:
   pre-commit:
     name: Pre-commit checks
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Checkout code
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
@@ -21,6 +21,6 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.10"
+          python-version: "3.14"
       - name: Run pre-commit checks on PR
         uses: pre-commit/action@v3.0.1

exercises/practice/complex-numbers/test/catch_amalgamated.cpp

@@ -468,10 +468,10 @@ namespace Catch {
     }
 
 namespace literals {
-    Approx operator "" _a(long double val) {
+    Approx operator ""_a(long double val) {
         return Approx(val);
     }
-    Approx operator "" _a(unsigned long long val) {
+    Approx operator ""_a(unsigned long long val) {
         return Approx(val);
     }
 } // end namespace literals