Update tensorflow2 to version 2.7.1 / rev 29 via SR 951670
    
    https://build.opensuse.org/request/show/951670
    by user bnavigator + dimstar_suse
    - restore larger memory per job constraint
    - Update to 2.7.1 -- boo#1195545 security update
      * Fixes a floating point division by 0 when executing convolution
        operators (CVE-2022-21725)
      * Fixes a heap OOB read in shape inference for ReverseSequence
        (CVE-2022-21728)
      * Fixes a heap OOB access in Dequantize (CVE-2022-21726)
      * Fixes an integer overflow in shape inference for Dequantize
        (CVE-2022-21727)
      * Fixes a heap OOB access in FractionalAvgPoolGrad
        (CVE-2022-21730)
      * Fixes an overflow and divide by zero in UnravelIndex
        (CVE-2022-21729)
      * Fixes a type confusion in shape inference for ConcatV2
        (CVE-2022-21731)
      * Fixes an OOM in ThreadPoolHandle (CVE-2022-21732)
      * Fixes an OOM due to integer overflow in StringNGrams
        (CVE-2022-21733)
      * Fixes more i