web-install: remove debian10 + align release versions

includes the following changes:
1) as debian10 and centos7 reached EOL, removing it from test.yaml
2) align releases version (5.2.0 - removed , 6.0.0 - added)
3) adding amazonlinux:2023 and rockylinux:9 support in server + adding
   it to test.yaml CI
4) removing installation of `curl` package in test.yaml as for
   debian/ubuntu it is part of the server script and for rpm it is part
   of the minimal docker image

.github/workflows/test.yml

@@ -12,8 +12,8 @@ jobs:
       fail-fast: false
       matrix:
         version:
-         - 5.2.0
          - 5.4.0
+         - 6.0.0
          - 2022.1.0
          - 2022.2.0
          - 2023.1.0
@@ -30,22 +30,21 @@ jobs:
         container:
           - ubuntu:20.04
           - ubuntu:22.04
-          - debian:10
           - debian:11
           - rockylinux:8
-          - centos:7
+          - rockylinux:9
           - oraclelinux:8
-          - public.ecr.aws/amazonlinux/amazonlinux:2
+          - amazonlinux:2023
     steps:
       - if: contains(matrix.container, 'ubuntu') || contains(matrix.container, 'debian')
         name: Install packages Ubuntu / Debian
         run: | 
-          apt-get update && apt-get install -y curl
+          apt-get update
 
       - if: contains(matrix.container, 'centos') || contains(matrix.container, 'amazon') || contains(matrix.container, 'oracle') || contains(matrix.container, 'rockylinux')
         name: Install packages For Centos / Amazonlinux / Rockylinux / Oracle
         run: |
-          yum update -y && yum install -y curl tar gzip
+          yum update -y && yum install -y tar gzip
 
       - uses: actions/checkout@v2
 
@@ -57,7 +56,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - run: sudo ./server --scylla-version 5.4
+      - run: sudo ./server --scylla-version 6.0
 
   test_nightly_master:
     name: Test installation for nightly-master version

README.md

@@ -22,17 +22,17 @@ In `<version>`, specify `(x.y)` version to install the latest patch for this ver
 - `[--dry-run]` prints only the commands and the installation flow without actually installing it, useful for verification.
 
 #### Examples:
-Installing ScyllaDB Open Source version 5.2.10:
+Installing ScyllaDB Open Source version 5.4.8:
 ```shell
-curl -sSf get.scylladb.com/server | sudo bash -s -- --scylla-version 5.2.10
+curl -sSf get.scylladb.com/server | sudo bash -s -- --scylla-version 5.4.8
 ```
 Installing ScyllaDB Enterprise latest patch of version 2023.1:
 ```shell
 curl -sSf get.scylladb.com/server | sudo bash -s -- --scylla-product scylla-enterprise --scylla-version 2023.1
 ```
-Running an installation of nightly version 5.4 in dry-run:
+Running an installation of nightly version 6.0 in dry-run:
 ```shell
-curl -sSf get.scylladb.com/server | sudo bash -s -- --scylla-version nightly-5.4 --dry-run
+curl -sSf get.scylladb.com/server | sudo bash -s -- --scylla-version nightly-6.0 --dry-run
 ```
 
 ## Supported OSs by Platform and Version

server

@@ -305,7 +305,7 @@ install_rpm() {
 
 check_amzn_version() {
   case "$VERSION_ID" in
-    "2")
+    2*)
       return 1
       ;;
     *)
@@ -326,7 +326,7 @@ amzn_install() {
 
 check_centos_version() {
   case "$VERSION_ID" in
-    7*|8*|9*)
+    8*|9*)
       return 1
       ;;
     *)