doc: Fix introduction key.

Julien LepillerSun Jul 26 01:46:25+0200 2020

474254f

doc: Fix introduction key. * doc/install.md: Fix channel introduction key. * README.md: idem.

README.md

3030 
          (make-channel-introduction
3131 
            "b5f32950a8fa9c05efb27a0014f9b336bb318d69"
3232 
            (openpgp-fingerprint
33-
              "2A39 3FFF 68F4 EF7A 3D29  12AF 6F51 20A0 22FB B2D5"))))
33+
              "1EFB 0909 1F17 D28C CBF9  B13A 53D4 57B2 D636 EE82"))))
3434 
       %default-channels)
3535 
```
3636 
doc/install.md
1616 
          (make-channel-introduction
1717 
            "b5f32950a8fa9c05efb27a0014f9b336bb318d69"
1818 
            (openpgp-fingerprint
19-
              "2A39 3FFF 68F4 EF7A 3D29  12AF 6F51 20A0 22FB B2D5"))))
19+
              "1EFB 0909 1F17 D28C CBF9  B13A 53D4 57B2 D636 EE82"))))
2020 
       %default-channels)
2121 
```
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