Consolidate EVP_PKEY usage; Add (unstable) ML-DSA API #213

Job	Run time
GCC 4.8 - CMake 0 - FIPS 0	5m 26s
C-std ubuntu-latest - 11 - Force CMake 0	1m 39s
GCC 4.8 - CMake 0 - FIPS 1	3m 19s
GCC 7 - CMake 0 - FIPS 0	4m 1s
C-std ubuntu-latest - 11 - Force CMake 1	1m 40s
GCC 5 - CMake 0 - FIPS 0	5m 49s
GCC 7 - CMake 0 - FIPS 1	1m 47s
C-std ubuntu-latest - 99 - Force CMake 0	1m 38s
GCC 5 - CMake 0 - FIPS 1	3m 14s
GCC 8 - CMake 0 - FIPS 0	4m 11s
GCC 6 - CMake 0 - FIPS 0	5m 35s
GCC 8 - CMake 0 - FIPS 1	1m 45s
C-std ubuntu-latest - 99 - Force CMake 1	1m 59s
GCC 7 - CMake 1 - FIPS 0	3m 53s
C-std macos-13 - 11 - Force CMake 0	3m 28s
GCC 7 - CMake 1 - FIPS 1	1m 47s
GCC 6 - CMake 0 - FIPS 1	3m 26s
GCC 8 - CMake 1 - FIPS 0	4m 0s
C-std macos-13 - 11 - Force CMake 1	2m 46s
GCC 4.8 - CMake 1 - FIPS 0	8m 8s
GCC 8 - CMake 1 - FIPS 1	1m 24s
C-std macos-13 - 99 - Force CMake 0	2m 43s
GCC 4.8 - CMake 1 - FIPS 1	3m 34s
C-std macos-13 - 99 - Force CMake 1	2m 14s
GCC 5 - CMake 1 - FIPS 0	5m 45s
GCC 5 - CMake 1 - FIPS 1	3m 22s
C-std macos-14-xlarge - 11 - Force CMake 0	1m 41s
GCC 6 - CMake 1 - FIPS 0	5m 34s
C-std macos-14-xlarge - 11 - Force CMake 1	1m 30s
C-std macos-14-xlarge - 99 - Force CMake 0	1m 23s
GCC 6 - CMake 1 - FIPS 1	3m 20s
C-std macos-14-xlarge - 99 - Force CMake 1	1m 26s
C-std windows-latest - 11 - Force CMake 0	3m 8s
C-std windows-latest - 11 - Force CMake 1	4m 28s
C-std windows-latest - 99 - Force CMake 0	2m 58s
C-std windows-latest - 99 - Force CMake 1	3m 37s
	1h 57m 38s

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