[ci] Set r=ON where possible

So far, the R bindings were only built on Ubuntu 22.04, which is
becoming a bit dated already.

Since the R bindings usually don't cause any trouble, it would be good
to build them on all platforms where we can easily do that.

Author: guitargeek

.github/workflows/root-ci-config/buildconfig/alma10.txt

@@ -2,4 +2,5 @@ builtin_vdt=ON
 builtin_zlib=ON
 builtin_zstd=ON
 pythia8=ON
+r=OFF
 tmva-sofie=ON

.github/workflows/root-ci-config/buildconfig/global.txt

@@ -70,7 +70,7 @@ opengl=ON
 pyroot=ON
 pythia8=OFF
 qt6web=OFF
-r=OFF
+r=ON
 roofit=ON
 roofit_multiprocess=ON
 root7=ON

.github/workflows/root-ci-config/buildconfig/mac-beta.txt

@@ -26,6 +26,7 @@ builtin_zstd=ON
 check_connection=ON
 cocoa=ON
 minuit2_omp=OFF
+r=OFF
 test_distrdf_dask=ON
 test_distrdf_pyspark=ON
 x11=OFF

.github/workflows/root-ci-config/buildconfig/mac14.txt

@@ -28,6 +28,7 @@ builtin_zstd=ON
 cocoa=ON
 fortran=OFF
 minuit2_omp=OFF
+r=OFF
 test_distrdf_dask=OFF
 test_distrdf_pyspark=OFF
 tmva-sofie=ON

.github/workflows/root-ci-config/buildconfig/mac15.txt

@@ -24,6 +24,7 @@ builtin_zeromq=ON
 builtin_zstd=ON
 cocoa=ON
 minuit2_omp=OFF
+r=OFF
 test_distrdf_dask=ON
 test_distrdf_pyspark=ON
 tmva-sofie=ON

.github/workflows/root-ci-config/buildconfig/mac26.txt

@@ -26,6 +26,7 @@ builtin_zstd=ON
 check_connection=ON
 cocoa=ON
 minuit2_omp=OFF
+r=OFF
 test_distrdf_dask=ON
 test_distrdf_pyspark=ON
 x11=OFF

.github/workflows/root-ci-config/buildconfig/windows10.txt

@@ -25,6 +25,7 @@ minuit2_mpi=OFF
 minuit2_omp=OFF
 pyroot2=OFF
 pyroot3=ON
+r=OFF
 roofit_multiprocess=OFF
 runtime_cxxmodules=OFF
 ssl=OFF