Merge branch 'intel-gcc-compatibility' into 'releases/25a'

See merge request !140

Intel gcc compatibility

See merge request !138

(cherry picked from commit 73a80456)

5d4c8527 Drop GCC 11 and Intel 2021.6, 2021.9
adbb6272 Merge branch 'drop_old_toolchains' into 'develop'
b87ffd0b Same autotools dependencies for intel 2021.9 and 2021.10 (same gcc version)
b4aa9261 Remove duplicated keys
4c7068e7 Pin older version of boost
4b641ca8 Fix syntax
4967e9a3 Python%gcc to avoid conflicts
6cd805fc Pin various versions and flags
08bd548b Fix CMake version
d3a46063 Intel MPI: use classic names
18b196f3 Apply 1 suggestion(s) to 1 file(s)

Co-authored-by: Martin Lang <martin.lang@mpsd.mpg.de>

Drop GCC 11 and Intel 2021.6, 2021.9

See merge request !139

changes for bookworm transition

Closes #117 and #94

See merge request !136

It is required for the testsuite, for convenience include it into the toolchain
and the metamodules

Upgrade miniforge3 to 24.11.2

See merge request !137

Fixes a bug where denylist_channels is not working
correctly (https://github.com/conda/conda/issues/14403).

We can now block the commercial channels and allow users to pick any other channel.

Multi elpa

See merge request !135

Update intel MPI toolchains

See merge request !133

Add oneapi toolchains

See merge request !105

Both need FFTW directly and are not compatible with Intel's FFTW
wrapper (without additional work)

Global octopus: update GCC minor version

See merge request !132