CLSA-2022-1663183179 Fixed CVEs in curl: CVE-2022-32208, CVE-2022-32206

CVE-2022-32208: krb5: fix returning error on decode errors - CVE-2022-32206: contentencoding: return error on too many compression steps - fix a curl.spec's comment about applying TuxCare ELS patches - improve the test system by repeating failed tests several times...