Mark const fields as const · BioJulia/FASTX.jl@8199a40

removing `stable` and linking `stable` to `v2.1.7`.

removing `v2.1` and linking `v2.1` to `v2.1.7`.

removing `v2.0` and linking `v2.0` to `v2.0.1`.

removing `v1.1` and linking `v1.1` to `v1.1.1`.

removing `v1.0` and linking `v1.0` to `v1.0.0`.

removing `v2` and linking `v2` to `v2.1.7`.

removing `v1` and linking `v1` to `v1.1.1`.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v2. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Consider using `julia-actions/cache` to speed up runs https://github.com/julia-actions/cache. To ignore, set input `ignore-no-cache: true`

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