Tests: Make RunCMake.find_dependency tolerate line number changes

Tests/RunCMake/find_dependency/EXACT-no-version-stderr.txt

@@ -1,4 +1,4 @@
-CMake Error at .*Modules/CMakeFindDependencyMacro.cmake:35 \(message\):
+CMake Error at .*Modules/CMakeFindDependencyMacro.cmake:[0-9]+ \(message\):
   Invalid arguments to find_dependency.  EXACT may only be specified if a
   VERSION is specified
 Call Stack \(most recent call first\):

Tests/RunCMake/find_dependency/extra-args-stderr.txt

@@ -1,4 +1,4 @@
-CMake Error at .*Modules/CMakeFindDependencyMacro.cmake:47 \(message\):
+CMake Error at .*Modules/CMakeFindDependencyMacro.cmake:[0-9]+ \(message\):
   Invalid arguments to find_dependency
 Call Stack \(most recent call first\):
   extra-args.cmake:4 \(find_dependency\)

Tests/RunCMake/find_dependency/invalid-arg-3-stderr.txt

@@ -1,4 +1,4 @@
-CMake Error at .*Modules/CMakeFindDependencyMacro.cmake:42 \(message\):
+CMake Error at .*Modules/CMakeFindDependencyMacro.cmake:[0-9]+ \(message\):
   Invalid arguments to find_dependency
 Call Stack \(most recent call first\):
   invalid-arg-3.cmake:4 \(find_dependency\)